Even if the 10x engineer were to exist, assuming a normal distribution, they would be extremely rare and highly sought after. To optimise your business around hiring such a precious unicorn would seem like a very foolhardy strategy. For one, simple probability suggests that you probably won't find one. And if you were to find one, could you be certain that it were a real unicorn rather than a horse with a plastic con…
YES. What the 10X myth hurt most is probably hiring practices.
Still, it really fed into the "only hire the absolute best" mythos that has spread in countless other harmful ways. Consider the aphorism "A players hire A players, B players hire C players".
The general message of all of it has always been: "You must hire the very best, even one merely good employee will poison the well and ruin everything".
Yet hiring practices are, as I said already, imprecise... which creates all sorts of bizarre behavior in the attempt to snag the "very best".